Cosmetic brush



FIG. 1 is a perspective view of a cosmetic brush in accordance with the new design;

FIG. 2 is a right perspective view of the cosmetic brush of FIG. 1;

FIG. 3 is a left perspective view of the cosmetic brush of FIG. 1;

FIG. 4 is a rear side perspective view of the cosmetic brush of FIG. 1;

FIG. 5 is a front side perspective view of the cosmetic brush of FIG. 1;

FIG. 6 is a bottom plan view of the cosmetic brush of FIG. 1; and,

FIG. 7 is a top plan view of the cosmetic brush of FIG. 1.

In the drawings, the broken lines are for the purpose of illustrating a portion of the cosmetic brush and forms no part of the claimed design. 

CLAIM The ornamental design for a cosmetic brush, as shown and described. 